both campaigned hard in the buckeye state tuesday. in fact romney is spending four out of five days there this week. the reason? a new cnn orc international poll shows it is a close race for ohio's 18 electoral votes with 51% backing president obama, 47% for romney. made closer after last week's debate. meanwhile ohio's election chief has asked the supreme court to reinstate a new lieu that cuts off the final three days of early voting. an appeals court blocked the law pushed through by state republicans. as romney continues to campaign in ohio, president obama is back at the white house this morning. and nbc's tracie potts joins us with all the latest from washington. good morning. >> reporter: good morning, everyone. the president dealing with romney closing the gap in a number of these battleground states, continues to say that the $5 trillion tax cut romney's proposing would add to the deficit and romney insists it is absolutely not true. >> he said if he says it's not true, then it's not true. okay. >> reporter: in battleground o